Contribution of the Intensity of Scattered Light for each Wavelength to the Sky Light at Daytime
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概要
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Using the author's method for the scattering problem considering the earth's atomosphere of 40 km depth, composed of 4・104 numbers of homogeneous spherical shell of 1 m thickness by calculating the atmospheric density by the accuracy of 1 m of height he has computed the intensity resulting respectively from the primary and secondary scattering coming from all portions in the sky dome to a point on the earth's surface, and accordingly the sky radiation received on a horizontal surface at the point. The computed results are compared with Sekera's obtained by means of Chandrasekhar's solution for the radiative transfer problem in a plane-parallel model of the earth's atmosphere with respect to the horizontal surface. The author's relative horizontal intensity resulting only from the primary scattering (i.e. in the unit of the extraterrestrial solar radiation at the corresponding wavelength) has the same feature of dependency to the wavelength and solar zenith distance with the result given by Sekera. The author's relative horizontal intensity resulting from only the secondary scattering has also the same feature of dependency to the wavelength and solar zenithdistance with the result given by Sekera. The integrated relative horizontal global radiation for the whole range of wavelength is in good agreement witn Sekera's in the range of zenith distance 0°～90°, in such a way that one cannot discriminate both curves on the graph.
- 長崎大学学芸学部の論文
- 1964-03-30
長崎大学学芸学部 | 論文
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